Imidazo[1,2-a]pyridines are disclosed. Compounds of the invention are useful therapeutic agents and their inclusion in pharmaceutical formulations and use in methods of treatment are disclosed.
Imidazo[1,2-a]pyridines are disclosed. Compounds of the invention are useful therapeutic agents and their inclusion in pharmaceutical formulations and use in methods of treatment are disclosed.
Sustainable Synthesis of Diverse Privileged Heterocycles by Palladium-Catalyzed Aerobic Oxidative Isocyanide Insertion
作者:Tjøstil Vlaar、Razvan C. Cioc、Pieter Mampuys、Bert U. W. Maes、Romano V. A. Orru、Eelco Ruijter
DOI:10.1002/anie.201207410
日期:2012.12.21
O2 in, H2O out: Various diamines and related bisnucleophiles readily undergo oxidativeisocyanideinsertion with Pd(OAc)2 (1 mol %) as the catalyst and O2 as the terminal oxidant to give a diverse array of medicinally relevant N heterocycles. The utility of this highly sustainable method is demonstrated by a formal synthesis of the antihistamines astemizole and norastemizole.
O 2 in,H 2 O out:各种二胺和相关的双亲核试剂易于经历氧化异氰化物的插入,其中Pd(OAc)2(1 mol%)作为催化剂,O 2作为末端氧化剂,可得到多种与医学相关的N杂环。抗组胺药阿司咪唑和去甲阿司咪唑的正式合成证明了这种高度可持续性方法的实用性。